Aboveground biomass, growth and yield for some selected introduced tree species, namely Cupressus lusitanica, Eucalyptus saligna, and Pinus patula in Central Highlands of Ethiopia

Tesfaye, Mehari Alebachew; Gardi, Oliver; Anbessa, Tesfaye Bekele; Blaser, Jurgen

doi:10.1186/s41610-019-0146-z

Table 7 Mean ± standard deviation of the different growth parameters for plantation forest

From: Aboveground biomass, growth and yield for some selected introduced tree species, namely Cupressus lusitanica, Eucalyptus saligna, and Pinus patula in Central Highlands of Ethiopia

Plot No	Species	Mean Dbh (cm)		Mean height (m)		No (N ha^-1)		Basal area (m² ha^-1)		Volume (m³ ha^-1)		Average Diameter increment (cm)	Average Height (m)	Vincrement (m³ha^-1yr^-1)	G increment (m² ha^-1 yr^-1)	Vincrement (m³tree yr)	BA increment (m^-2 tree year)
Plot No	Species	2012	2017	2012	2017	2012	2017	2012	2017	2012	2017	Average Diameter increment (cm)	Average Height (m)	Vincrement (m³ha^-1yr^-1)	G increment (m² ha^-1 yr^-1)	Vincrement (m³tree yr)	BA increment (m^-2 tree year)
01	C. lusitanica	21.73	23.22	17.50	19.32	750	750	29.20	32.96	222.78	272.77	1.49	1.82	10.00	0.76	0.0133	0.001
02		23.01	28.47	18.54	22.33	375	375	16.01	24.47	128.06	233.40	5.45	3.79	21.06	1.69	0.0562	0.0045
03		27.44	31.08	23.44	26.39	325	325	19.68	24.92	197.02	277.54	3.64	2.95	16.11	1.047	0.0496	0.0032
Mean ± SE CL		24.06±2.99	27.59±4.00	19.83±3.17	22.68±3.55	483.33±232.29	483.33±232.29	21.63±6.81	27.45±4.77	182.62±48.98	261.24±24.23	2.53±1.98	2.85±0.99	15.72±5.54	1.17±0.48	0.04±0.02	0.003±0.002
04	E. saligna	12.70	18.48	13.96	19.87	525	525	8.02	15.37	55.62	139.99	5.77	5.91	16.88	1.471	0.0321	0.0028
05		14.21	19.18	17.75	23.27	500	500	8.75	15.07	69.35	153.11	4.97	5.52	16.78	1.265	0.0335	0.0025
06		12.06	15.95	16.65	20.96	500	500	6.71	10.82	53.34	101.80	3.89	4.31	9.69	0.823	0.0194	0.0017
Mean± SE ES		12.99±1.10	17.87±1.70	16.12±1.95	21.37±1.74	508.33±14.43	508.33±14.43	7.83±1.03	13.75±2.55	59.44±8.66	131.63±26.66	4.88±0.94	5.25±0.83	14.45±4.12	1.19±0.33	0.03±0.008	0.0023±0.0006
07	Pinus patula	16.80	18.19	18.43	20.08	1100	1100	25.55	29.67	205.79	257.05	1.40	1.65	10.25	0.824	0.0093	0.0008
08		12.02	14.55	16.26	18.34	1375	1375	17.17	24.00	128.33	194.59	2.53	2.07	13.25	1.366	0.0096	0.0010
09		15.67	17.27	22.58	23.87	925	925	19.19	22.75	191.19	236.44	1.60	1.29	9.05	0.710	0.0096	0.0008
Mean± SE PP		14.83±2.50	16.67±1.89	19.00±3.21	20.76±2.83	1133.33±226.84	1133.33±226.84	20.64±4.37	25.47±3.69	175.10±41.16	229.36±31.83	1.84±0.60	1.67±0.39	10.85±2.16	0.97±0.35	0.0095±0.0002	0.001±0.00012

DBH Diameter at breast height, N number of stems, ha hectare, CL Cupressus lusitanica, ES Eucalyptus saligna, PP Pinus patula, SE standard error of the mean

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ISSN: 2288-1220

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